What is the update of win10 preview version 10064?

According to the latest Win10 preview version 10064 news, this version is also Microsoft's internal version for senior partners worldwide. Like the previous version of the 10056, the Win10 Preview 10064 also features a dark-style interface design. The background color of the commonly used application icons in the search bar, the notification bar start menu, and the button color and search bar color in the Metro interface settings will change with the color of the wallpaper. It can be seen that after the traditional desktop environment is merged with the Metro modern interface, Win10 finally begins. Find your own uniform look and feel.
In addition, we can see from the final preparation stage before Win10 preview version of 10064 login account, compared to the previous version, the gradient background color of Win10 preview version 10064 is obviously deeper, the color gives people a more pure feeling. More full, this change is very consistent with the overall style of Win10.
In Win10 Preview 10056, the Task Preview Task View button uses a brand new icon design with a gray color. In the latest Win10 preview 10064, its color changes to white in the same way as the start menu button, and the two look more symmetrical.
Compared with the calm style of the overall style, the new retro-style recycle bin icon including Windows95 style seems to be a bit of a hindrance. Fortunately, Microsoft has been listening carefully to everyone's opinions. This set of existing icons is also possible. Minutes were replaced, I believe the official version of Win10 will be more beautiful.
Here is a preview version of Windows10 10064 more interface screenshots, the preview together: